Mattress with a cloud element



FIG. 1 is a perspective view of a mattress with a cloud element, showing my new design;

FIG. 2 is an enlarged partial view of the mattress with a cloud element shown in FIG. 1 thereof;

FIG. 3 is a left-side elevation of an enlarged partial view of the mattress with a cloud element shown in FIG. 1 thereof;

FIG. 4 is a right-side elevation of an enlarged partial view of the mattress with a cloud element shown in FIG. 1 thereof;

FIG. 5 is a front elevation of an enlarged partial view of the mattress with a cloud element shown in FIG. 1 thereof; and,

FIG. 6 is a rear elevation of an enlarged partial view of the mattress with a cloud element shown in FIG. 1.

The dot-dash broken lines shown in the figures depict a boundary of the claimed design and form no part of the claimed design. 

CLAIM I claim the ornamental design for a mattress with a cloud element, as shown and described. 